diff --git a/android/build.gradle b/android/build.gradle
index f1542cf..b4ffcca 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -33,6 +33,6 @@ allprojects {
 
 dependencies {
     compile "com.facebook.react:react-native:+"
-    compile "com.android.support:appcompat-v7:27.1.0"
+    compile "com.android.support:appcompat-v7:$rootProject.supportLibVersion"
     compile 'com.android.support:design:26.1.0'
 }